I just wanted to take a minute and report back on my conversion of STTNG from all incandescent to all LEDs. I specifically avoided LED machines when I bought this game because at the time I hated them. I still do when used incorrectly on old machines. Then I got my hands on a WOZ and an STLE, and poor STTNG looked so dull compared to them. So I set out looking for a solution.
My biggest problem with LEDs was the harsh on/off flashing of them. It drove me crazy, and turning off GI dimming also took some ambiance out of the game. Newer games made for LEDs don't have that problem, of course, but older games are just too difficult to play when your pupils are constantly switching from huge to small. Then I found Herg's LED OCD, and it changed everything about LED's for me.
I bought both the LED OCD and the GI OCD. They took about an hour to install, and that was all really straightforward. The best part about them is that if you do nothing at all after installing them, the boards still work great! LEDs fade on and off just like incandescents. You can tweak the fade and each LED's brightness, if you want, but even out of the box was good. My favorite thing to do is open up the management app for the LED OCD and put it in passthrough mode. That turns off the LED OCD board and shows the playfield the way it would have been if you just put in LEDs. Turning back on the LED OCD brings back all the fading voodoo that Herg added in. Worth it's weight in gold right there.
As for the LEDs I used, once I saw the kit from Pinballbulbs.com, I couldn't resist. Originally I was going to go with the NoFlix bulbs to address my second biggest issue with LEDs (the flickering), but I still would have had the issue of no fading.
The Pinballbulbs kit is unreal, and when paired with Herg's boards, the end result is a super-colorful, brilliantly lit game. It doesn't look original, but it does make an old machine look good next to new ones. I was dead set against modding STTNG (I thought of myself as a purist), but I'm so happy I did it. Thanks to PinballBulbs for their efforts in assembling a great kit, and especially to Herg because there's no way I would have done this without the OCD boards!